[4] She continued her research into bacterial pathogenesis under the name of Ericka Barrett while a professor of microbiology at the University of California at Davis from 1977 until her retirement in 1996.

Ralstonia has also been identified as a common contaminant of DNA extraction kit or PCR reagents, which may lead to its erroneous appearance in microbiota or metagenomic datasets.

[9] Ralstonia has been also reported as responsible for nosocomial outbreaks of bloodstream infections, linked to the contamination of medication vials.

[10] On 28 November 2023 an outbreak of Ralstonia was reported in hospitals across Australia from an apparent contamination of Saline products imported from overseas.

The outbreak led the Therapeutic Goods Administration to issue an alert, and remove two saline products from Australian private and public hospitals.